APA (7th ed.) Citation

Boyden, S. V. (1979). An integrative ecological approach to the study of human settlements. Unesco.

Chicago Style (17th ed.) Citation

Boyden, Stephen Vickers. An Integrative Ecological Approach to the Study of Human Settlements. Paris: Unesco, 1979.

MLA (9th ed.) Citation

Boyden, Stephen Vickers. An Integrative Ecological Approach to the Study of Human Settlements. Unesco, 1979.